Little check valve causing big problems
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Little check valve causing big problems
Hello everybody, I have a 1990 F350 7.3L IDI.
This truck has been a workhorse over the years and I like the fact that it can be easily maintained and worked on (for the most part). It has two new fuel tanks, new fuel lines, new radiator , clutch fan, tires, brakes, batteries and wiring, injector seals, glow plugs, wiring, the list goes on. Use has tapered off over the years but I'd like to keep her going and also invest in making cosmetic improvements and adding a turbo kit.
BUT!--there has been a longtime problem. The fuel return flapper/check valve on the fuel filter housing keeps blowing out. It will run like a top, then the valve blows out--the fuel drains and then it takes a lot of cranking to prime it back up--hard on starters, batteries and drivers. Replace the little valve and it runs and starts like a champ--for a little while. No biodiesel, just the regular stuff from big oil companies.
It has been suggested to replace my fuel filter housing with one from a 92-94 as they use a spring and ball instead of rubber flapper--any ideas?
This truck has been a workhorse over the years and I like the fact that it can be easily maintained and worked on (for the most part). It has two new fuel tanks, new fuel lines, new radiator , clutch fan, tires, brakes, batteries and wiring, injector seals, glow plugs, wiring, the list goes on. Use has tapered off over the years but I'd like to keep her going and also invest in making cosmetic improvements and adding a turbo kit.
BUT!--there has been a longtime problem. The fuel return flapper/check valve on the fuel filter housing keeps blowing out. It will run like a top, then the valve blows out--the fuel drains and then it takes a lot of cranking to prime it back up--hard on starters, batteries and drivers. Replace the little valve and it runs and starts like a champ--for a little while. No biodiesel, just the regular stuff from big oil companies.
It has been suggested to replace my fuel filter housing with one from a 92-94 as they use a spring and ball instead of rubber flapper--any ideas?
Last edited by Crewser; Aug 12, 2014 at 05:45 PM. Reason: "fuel return check valve" is actually fuel pump regulator valve. Small fitting at top of fuel filter bracket. Part 9K061.
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